Theorems in algebra

Hua's identity

In algebra, Hua's identity named after Hua Luogeng, states that for any elements a, b in a division ring, whenever . Replacing with gives another equivalent form of the identity: (Wikipedia).

Video thumbnail

The Story of Chinese Character :姓

姓 composes of a 女 (woman) and 生 (birth). In the past, when China was matriarchal society, surname was given by mother since everyone was bred by mother only. Although now we inherit the surname from our fathers, 姓 is still used to represent the meaning of surname.

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

The Story of Chinese Character : 玉

玉 depicts a string of jade pendants. After symbolization, 玉 looks the same as 王, so a dot is added to distinguish 玉 from 王, but when 玉 acts as an radical, the dot is omitted.

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

The Story of Chinese Character : 仍

仍 is composed of the BuShou of 人(man) and 乃(to be). 乃 can be seen as simplified version of 夃, depicts someone pulling a rope, which has the meaning of ‘following’ or ‘carrying on as before’, ancient Chinese also like ‘following’ or ‘carrying on as before’.

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

The Story of Chinese Character : 夃

夃 is composed of 乃(therefore) and 又(also). 乃 depicts a rope, while 又 is the picture of a hand, 夃 depicts a hand pulling a rope, which has the meaning of getting something, so 夃 means ‘more’.

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

The Story of Chinese Character : 紙

紙 is composed of 糸(a silk coil, the BuShou of 絲) and 氏(the surname). In ancient China, if someone did something good to the society, the emperor would grant him a surname, and such a surname was written on a white silk sheet in order to represent how valuable it is. At that time, people di

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

Mod-03 Lec-19 Different Aspects of Hotelling Model

Game Theory and Economics by Dr. Debarshi Das, Department of Humanities and Social Sciences, IIT Guwahati. For more details on NPTEL visit http://nptel.iitm.ac.in

From playlist IIT Guwahati: Game Theory and Economics | CosmoLearning.org Economics

Video thumbnail

The Story of Chinese Character : 綑

綑 is composed of 糸(the picture of a coil, means string or rope) and 困(the picture of an tree being surrounded by an enclosure), which has the meaning of tying and binding.

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

The Story of Chinese Character : 賊

賊 is composed of 貝(shell) and 戎(weapon, military matters) but from Bronze Script(金文) and Seal Script(小篆), we learn that the original form of 賊 should be composed of 則(principle) and 戈(spear). The original meaning of 賊 should be someone who destroy rule and do something illegal, the later 賊

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

The Story of Chinese Character : 从

从 depicts one person(人) following to another person, means follow. 从 has the same meaning as 從.

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

The Story of Chinese Character : 尒

尒 is the simplified form of爾, which depicts an arrow. Arrow look like a sign of indicating a direction, so尒 is used to represent person being addressed(you), now we use你 instead.

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

Mod-02 Lec-15 Solutions of Laplace Equation II

Electromagnetic Theory by Prof. D.K. Ghosh,Department of Physics,IIT Bombay.For more details on NPTEL visit http://nptel.ac.in

From playlist IIT Bombay: Electromagnetic Theory

Video thumbnail

Meet the First Monkey Clones Of Their Kind | National Geographic

In a world first, two primates have been cloned by Chinese researchers using the technique that yielded Dolly the sheep. The two female macaques, named Zhong Zhong and Hua Hua, are genetically identical and were born after a years-long effort. This marks the first time that primates have

From playlist News | National Geographic

Video thumbnail

Carleman estimates/Hyperbolic inverse problems

Advanced Instructional School on Theoretical and Numerical Aspects of Inverse Problems URL: https://www.icts.res.in/program/IP2014 Dates: Monday 16 Jun, 2014 - Saturday 28 Jun, 2014 Description In Inverse Problems the goal is to determine the properties of the interior of an object from

From playlist Advanced Instructional School on Theoretical and Numerical Aspects of Inverse Problems

Video thumbnail

How are Glass Bottles Made?

SUPPORT CR on PATREON: http://bit.ly/2qBHcvf Chances are you've used a glass bottle just today – you could even be sipping out of one right now. While the modern glass bottle may seem boring and rather simple, they actually represent centuries of innovation in manufacturing and production

From playlist Concerning Engineering

Video thumbnail

Tooling and Tool Collecting - Still Untitled: The Adam Savage Project - 11/26/19

We welcome back to the podcast Zach Radding--maker of awesome things and build contributor to Savage Builds! We talk about some of his favorite tools, injection mold tooling, and the kind of prototyping work he does for companies. Plus, Adam recaps some of his adventures on the set of The

From playlist The Adam Savage Project

Video thumbnail

Mod-01 Lec-30 Cooper Pairs

Condensed Matter Physics by Prof. G. Rangarajan, Department of Physics, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in

From playlist NPTEL: Condensed Matter Physics - CosmoLearning.com Physics Course

Video thumbnail

How Domestic Cats Spread Around The World

You can find house cats on every continent except Antarctica. In the US alone, there are about 93.5 million house cats. But that wasn't always the case. Cats originated in Turkey around 10,000 years ago and gradually spread across the world as agriculture became more popular. Science Insi

From playlist Animal Science

Video thumbnail

The Devil's Staircase | Infinite Series

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/donateinfi Find out why Cantor’s Function is nicknamed the Devil’s Staircase. Try Skillshare at http://skl.sh/Infinite2 And check out the brand new PBS Digital Series Above the No

From playlist An Infinite Playlist

Video thumbnail

The Story of Chinese Character :黃

黃 depicts a man who is wearing a string of big jade pendants on his neck, those jade pendants are yellow in colour. The meaning about those jade pendants is then replaced by 璜, now 黃 solely means yellow.

From playlist The Story of HanZi (Chinese Characters)

Video thumbnail

MY105 - Optimizing Surveillance Protocols Using Unmanned Aerial System in Forest

MathWorks MY105 (USM) "Like" in Facebook to cast your vote! Voting ends 4th August 2016 http://facebook.com/dreamcatcher.asia Follow us for the latest score!

From playlist MATLAB and Simulink Hardware Projects

Related pages

Hua Luogeng | Function (mathematics) | Division ring | Fundamental theorem of projective geometry | Jordan algebra | Ring homomorphism | Unit (ring theory) | Antihomomorphism